10. Образуйте степени сравнения с прилагательными из текста:

Good, extensive, intellectual, great.

11. Заполните пропуски словами из текста.

1. N. I. Lobachevsky is … .

2. All his life was connected with ... .

3. At the University he gave lectures on … and … .

4. He became famous all over the world for … .

5. His theory made revolution not only in … but also in … .

6. Unfortunately many of his works were not … at that time.

7. Lobachevsky’s ideas greatly influence … .

12. Дайте письменные ответы на следующие вопросы.

1. When and where was N. Lobachevsky born?

2. Where was he educated as a mathematician?

3. What positions did he hold at Kazan University?

4. Why is the event which took place on February 23, 1826 called “great”?

5. Why did his theory make a revolution in mathematics?

6. Was Lobachevsky’s contribution to science recognized during his life?

7. What sciences did his ideas influence?

Вариант 2

1. А) Составьте предложения, используя конструкцию there is/are в соответствии с данным образцом.

Образец: in the lab – ten computers

There are ten computers in the lab.

1. in the segment – many rational points

2. in the statement –a common factor

3. between any two points on a line – another point

4. in Arithmetic – four Basic Operations

5. in this equation – two mistakes

b) Поставьте составленные предложения в вопросительную и отрицательную формы.

2. Перепишите и переведите предложения. Определите по грамматическим признакам, какой частью речи являются слова, оформленные окончанием –s, и какую функцию это окончание выполняет, то есть, служит ли оно:

a) показателем 3-го лица единственного числа глагола в Present Simple;

b) признаком множественного числа имени существительного;

с)показателем притяжательного падежа имени существительного.

1. Approximations necessarily introduce errors.

2. These students are Kate’s best friends.

3. The temperature remains constant throughout the experiment.

4. She went to the chemist’s an hour ago.

5. This research is interesting from many points of view.

6. This method minimizes the experimental errors.

3. Перепишите предложения и переведите их, учитывая особенности перевода на русский язык определений, выраженных именем существительным.

1. The Cartesian coordinate system was introduced in the 17^th century.

2. Secondary school students have a geometry course.

3. We are late because there was a terrible traffic jam in the centre of the town.

4. Colleges and universities stiff their entrance requirements in mathematics.

5. Maths theory is a proved hypothesis.

4. Перепишите предложения и переведите их, обращая внимание на степени сравнения прилагательных и сравнительные конструкции.

1. The simplest of all counting devices are the ten figures.

2. Hunger is the best sauce.

3. The more elements the memory block contains, the higher is the probability of their failure.

4. The computers of the second generation are faster and have greater memory capacity than first-generation machines.

5. Money is important but it isn’t the most important thing in life.

6. My salary is not so high as yours.